Carpet Calculator – Estimate Carpet Needed
Enter room and stair dimensions to estimate how much carpet you need for installation.
Rooms
Staircases
Stair Carpet Calculator
Use this online carpet calculator to calculate carpet needed for stairs.
Carpet square foot calculator
A carpet square foot calculator helps you instantly estimate how much carpet is needed based on room size.
You just have to enter each room’s length and width, the calculator will total the area and also calculate for extra capet if you choose.
How much carpet do I need?
You have to measure length and width of each room, multiply those numbers, and then add 10% for waste and trimming.
The result is the total square footage of carpet required or simply use our calculator to calculate easily.
How do you measure for carpet?
Use a tape measure to measure each room’s length and width in feet and inches. Multiply the two to find the square footage, then round up to the next whole foot.
For irregular spaces, divide the area into smaller rectangles, measure each, and add the totals together.
How do I calculate how much carpet I need?
- Measure the width and length of each room.
- Multiply the numbers to get square feet per room.
- Add all the rooms together.
- Include about 10% extra to cover seams, trimming, and pattern matching.
How do you figure how much carpet you need?
You can figure it out by multiplying room length by width and then adding 10% extra for waste.
Most carpet installers recommend 5–10% extra to make sure you don’t run short when cutting and fitting around corners or closets.
How much carpet is needed for a 12×12 room?
A 12×12 room equals 144 square feet. With a 10% extra for waste, you’ll need around 160 square feet or about 18 square yards of carpet.
How much carpet is needed for a 20×20 room?
A 20×20 room equals 400 square feet. Adding 10% for waste and trimming brings it to roughly 440 square feet or 49 square yards of carpet.
What are common mistakes in calculating carpet area?
- Forgetting to include closets or hallways
- Not adding extra for seams and pattern matching
- Mixing up square feet and square yards
- Rounding down instead of up
- Ignoring stairs and irregular shapes
These small errors can easily lead to ordering too little carpet.
How long does it take to install 1000 sq ft of carpet?
Professional installers can usually install 1000 square feet in one full day, depending on furniture removal, floor prep, and the number of rooms to install carpet.
What is 1 yard of carpet?
One yard of carpet equals 9 square feet (3 feet by 3 feet).
How many yards of carpet can cover a room?
To find out, divide the total square footage by 9.
For Example: a 180-square-foot room ÷ 9 = 20 square yards of carpet.
How much to carpet a 600 sq ft room?
It depends on the carpet type and carpet installation costs. An estimate will be:
- Carpet budget: $2–$3 per sq ft → $1,200–$1,800
- Mid-grade: $3–$5 per sq ft → $1,800–$3,000
- Premium: $6+ per sq ft → $3,600 or more
How much does it cost to carpet a 10 by 12 room?
A 10×12 room is 120 sq ft. To know more about costs read this post of average cost of carpet installation.
Basic carpet: around $240–$360 installed
Mid-range: $400–$600
High-end materials: $700 and above
Prices vary by quality, pad, and installer rates in your area.
Is carpet cheaper than flooring?
In most cases, yes carpet is cheaper than flooring. Carpet is generally more affordable than hardwood, tile, or luxury vinyl, especially for large spaces.
What is the best time of year to replace carpet?
Early spring and late fall is best time to replace carpet.
Here you can read How to Clean Dog Diarrhea from Carpet
and here How to Get Rid of Carpet Beetles.
Share your thoughts in the comment section.